1 //===-- ExecuteFunction.h ---------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TEST_UNITTEST_EXECUTEFUNCTION_H 10 #define LLVM_LIBC_TEST_UNITTEST_EXECUTEFUNCTION_H 11 12 #include <stdint.h> 13 14 namespace LIBC_NAMESPACE { 15 namespace testutils { 16 17 class FunctionCaller { 18 public: ~FunctionCaller()19 virtual ~FunctionCaller() {} 20 virtual void operator()() = 0; 21 }; 22 23 struct ProcessStatus { 24 int platform_defined; 25 const char *failure = nullptr; 26 27 static constexpr unsigned TIMEOUT = ~0U; 28 errorProcessStatus29 static ProcessStatus error(const char *error) { return {0, error}; } timed_out_psProcessStatus30 static ProcessStatus timed_out_ps() { 31 return {0, reinterpret_cast<const char *>(TIMEOUT)}; 32 } 33 timed_outProcessStatus34 bool timed_out() const { 35 return failure == reinterpret_cast<const char *>(TIMEOUT); 36 } get_errorProcessStatus37 const char *get_error() const { return timed_out() ? nullptr : failure; } 38 bool exited_normally(); 39 int get_exit_code(); 40 int get_fatal_signal(); 41 }; 42 43 ProcessStatus 44 invoke_in_subprocess(FunctionCaller *func, 45 unsigned timeout_ms = ProcessStatus::TIMEOUT); 46 47 const char *signal_as_string(int signum); 48 49 } // namespace testutils 50 } // namespace LIBC_NAMESPACE 51 52 #endif // LLVM_LIBC_TEST_UNITTEST_EXECUTEFUNCTION_H 53